2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 122Get this manual
FUEL SYSTEM CARBURETOR3.5
Remove carburetor body cap
Float Main jet Needle jet Slow speed adjustment screw Spring
Compress spring and unhook throttle cable from throttle valve
Remove float pin and float hingeRemove needle valve23
1Float hinge pin 2Float hinge 3Needle valve and seat
Spring Throttle cable Throttle valve